El-Nahas AR, El-Assmy AM, Awad BA, Elhalwagy SM, Elshal AM, Sheir KZ.
Urology Department, Urology and Nephrology Center, Mansoura University, Mansoura, Egypt

Kim HG, Bae SR, Lho YS, Park HK, Paick SH.
Department of Urology, Konkuk University School of Medicine, 4-12 Hwayang-Dong, Gwangjin-Ku, Seoul, 143-729, Korea

Dai J, Al Ekish S, Harisaran V, Thavaseelan S, Pareek G.
The Warren Alpert Med. Sch. of Brown Univ., Section of Minimally Invasive Urol. Surg., Providence, Rhode Island, United States

Welk B, Shariff S, Ordon M, Catharine Craven B, Herschorn S, Garg AX.
Division of Urology, Department of Surgery, Western University, London, Ontario, Canada

Mancini JG, Neisius A, Smith N, Sankin G, Astroza GM, Lipkin ME, Simmons WN, Preminger GM, Zhong P
Duke University Medical Center, Division of Urologic Surgery, 200 Trent Drive, DUMC 3707, Durham, NC 27710, USA